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https://www.readbyqxmd.com/read/29344743/response-to-different-furosemide-doses-predicts-aki-progression-in-icu-patients-with-elevated-plasma-ngal-levels
#1
Ryo Matsuura, Yohei Komaru, Yoshihisa Miyamoto, Teruhiko Yoshida, Kohei Yoshimoto, Rei Isshiki, Kengo Mayumi, Tetsushi Yamashita, Yoshifumi Hamasaki, Masaomi Nangaku, Eisei Noiri, Naoto Morimura, Kent Doi
BACKGROUND: Furosemide responsiveness (FR) is determined by urine output after furosemide administration and has recently been evaluated as a furosemide stress test (FST) for predicting severe acute kidney injury (AKI) progression. Although a standardized furosemide dose is required for FST, variable dosing is typically employed based on illness severity, including renal dysfunction in the clinical setting. This study aimed to evaluate whether FR with different furosemide doses can predict AKI progression...
January 17, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29283507/evaluation-of-bioequivalence-between-0-5-mg-dutasteride-capsules-manufactured-by-glaxosmithkline-and-an-existing-formulation-a-randomized-study-in-healthy-japanese-male-volunteers
#2
Hiroko Ino, Hiroshi Itoh, Yohei Doi, Harue Igarashi, Yotaro Numachi
No abstract text is available yet for this article.
December 28, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/29281617/reference-values-for-a-fetal-movement-acceleration-measurement-recorder-to-count-fetal-movements
#3
Eiji Ryo, Hideo Kamata, Michiharu Seto, Masayoshi Morita, Yohei Nagaya, Kyoko Nishihara, Noboru Ohki
BACKGROUND: A newly developed fetal movement acceleration measurement recorder has made it possible to count gross movements for hours. The purpose of this study was to determine the normal reference values for such movements. METHODS: One hundred and six pregnant women recorded fetal movements by themselves when they slept at home weekly from 28 weeks to term. The normal reference values were determined based on the data that could be recorded for more than four hours per night...
December 27, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29273750/elimination-of-antibiotic-resistant-surgical-implant-biofilms-using-an-engineered-cationic-amphipathic-peptide-wlbu2
#4
Jonathan B Mandell, Berthony Deslouches, Ronald C Montelaro, Robert M Q Shanks, Yohei Doi, Kenneth L Urish
Antibiotics are unable to remove biofilms from surgical implants. This high antibiotic tolerance is related to bacterial persisters, a sub-population of bacteria phenotypically tolerant to antibiotics secondary to a reduced metabolic state. WLBU2 is an engineered cationic amphipathic peptide designed to maximize antimicrobial activity with minimal mammalian cell toxicity. The objective of this study was to test the ability of WLBU2 to remove Staphylococcus aureus surgical implant biofilms. WLBU2 effectively treated S...
December 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29262392/-surgical-treatment-for-traumatic-acute-subdural-hemorrhage-in-the-posterior-cranial-fossa-three-cases-reports-and-review-of-the-literature
#5
Kazuma Doi, Naoki Otani, Masataka Miyama, Takashi Matsumoto, Takashi Fujii, Yohei Otsuka, Satoru Takeuchi, Terushige Toyooka, Kojiro Wada, Kentaro Mori
Acute subdural hemorrhage(ASDH)in the posterior cranial fossa is rare. Extremely unfavorable outcomes are reported among cases accompanied by supratentorial hematoma, brainstem contusion, or intracerebellar contusion. We report three cases surgically evacuated several times for traumatic ASDH in the posterior cranial fossa simultaneously accompanied by supratentorial hematomas. In our three presented cases, the mean age was 72.3 years, and all patients were male. The mechanisms of injury included traffic accidents in two cases and fall in one...
December 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29241820/outcomes-of-adjunctive-therapy-with-intrathecal-or-intraventricular-administration-of-colistin-for-post-neurosurgical-meningitis-and-ventriculitis-due-to-carbapenem-resistant-acinetobacter-baumannii
#6
Sarunyou Chusri, Ittichai Sakarunchai, Narongdet Kositpantawong, Siripen Panthuwong, Wichai Santimaleeworagun, Sutthiporn Pattharachayakul, Kamonnut Singkhamanan, Yohei Doi
The efficacy and safety of intrathecal or intraventricular (ITH/IVT) colistin in addition to intravenous (IV) colistin for meningitis and ventriculitis due to carbapenem-resistant Acinetobacter baumannii (CRAB) is unclear. In this retrospective observational study of 40 patients with post-neurosurgical meningitis and ventriculitis due to CRAB, 33 patients without concomitant infection received appropriate dosage regimens of IV colistin. Seventeen of the 33 patients received additional ITH/IVT colistin and 16 patients received only IV colistin...
December 11, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29232060/cover-image-volume-176a-number-1-january-2018
#7
Satoru Ikenoue, Kei Miyakoshi, Tomohiro Ishii, Yu Sato, Toshimitsu Otani, Yohei Akiba, Yoshifumi Kasuga, Daigo Ochiai, Tadashi Matsumoto, Yosuke Ichihashi, Yohei Matsuzaki, Kanako Tachikawa, Toshimi Michigami, Gen Nishimura, Kazushige Ikeda, Tomonobu Hasegawa, Mamoru Tanaka
The cover image, by Satoru Ikenoue et al., is based on the Clinical Report Discordant fetal phenotype of hypophosphatasia in two siblings, DOI: 10.1002/ajmg.a.38531.
January 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29181422/carbapenem-resistant-enterobacteriaceae-infections-in-patients-on-renal-replacement-therapy
#8
Brandon Eilertson, Eric Cober, Sandra S Richter, Federico Perez, Robert A Salata, Robert C Kalayjian, Richard R Watkins, Yohei Doi, Keith S Kaye, Scott Evans, Vance G Fowler, Robert A Bonomo, Jack DeHovitz, Barry Kreiswirth, David van Duin
Background: Patients on chronic intermittent renal replacement therapy (RRT) are at risk for infection with carbapenem-resistant Enterobacteriaceae (CRE). However, the impact of RRT on outcomes after CRE infections remains to be defined. Here we perform a comparison of outcomes for CRE-infected patients with preserved renal function compared with CRE-infected patients on RRT. Methods: Cases and controls were defined from a prospective cohort of CRE-infected patients from the Consortium on Resistance against Carbapenems in Klebsiella and other Enterobacteriaceae (CRACKLE)...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29138303/cxc-chemokines-exhibit-bactericidal-activity-against-multidrug-resistant-gram-negative-pathogens
#9
Matthew A Crawford, Debra J Fisher, Lisa M Leung, Sara Lomonaco, Christine Lascols, Antonio Cannatelli, Tommaso Giani, Gian Maria Rossolini, Yohei Doi, David R Goodlett, Marc W Allard, Shashi K Sharma, Erum Khan, Robert K Ernst, Molly A Hughes
The continued rise and spread of antimicrobial resistance among bacterial pathogens pose a serious challenge to global health. Countering antimicrobial-resistant pathogens requires a multifaceted effort that includes the discovery of novel therapeutic approaches. Here, we establish the capacity of the human CXC chemokines CXCL9 and CXCL10 to kill multidrug-resistant Gram-negative bacteria, including New Delhi metallo-beta-lactamase-1-producing Klebsiella pneumoniae and colistin-resistant members of the family Enterobacteriaceae that harbor the mobile colistin resistance protein MCR-1 and thus possess phosphoethanolamine-modified lipid A...
November 14, 2017: MBio
https://www.readbyqxmd.com/read/29106538/origin-of-the-plasmid-mediated-fosfomycin-resistance-gene-fosa3
#10
Ryota Ito, Marissa P Pacey, Roberta T Mettus, Nicolas Sluis-Cremer, Yohei Doi
Background: fosA3 is the most commonly reported plasmid-mediated fosfomycin resistance gene among Enterobacteriaceae. Objectives: To identify the origin of fosA3. Methods: The chromosome of Kluyvera georgiana clinical strain YDC799 was fully sequenced with single-molecule real-time sequencing. Comparative genetic analysis was performed for K. georgiana YDC799, K. georgiana type strain ATCC 51603 and representative fosA3-carrying plasmids. fosA genes were cloned in Escherichia coli to confirm function...
November 2, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29093108/frequency-and-mechanisms-of-spontaneous-fosfomycin-non-susceptibility-observed-upon-disk-diffusion-testing-of-escherichia-coli
#11
Aaron Lucas, Ryota Ito, Mustapha M Mustapha, Christi L McElheny, Roberta Mettus, Sarah L Bowler, Serena F Kantz, Marissa P Pacey, A William Pasculle, Vaughn S Cooper, Yohei Doi
Fosfomycin maintains activity against most Escherichia coli clinical isolates, but growth of E. coli colonies within the zone of inhibition around the fosfomycin disk is occasionally observed upon susceptibility testing. We aimed to estimate the frequency of such non-susceptible inner colony mutants and identify the underlying resistance mechanisms. Disk diffusion testing of fosfomycin was performed on 649 multidrug-resistant E. coli clinical isolates collected between 2011 and 2015. For those producing inner colonies inside the susceptible range, the parental strains and their representative inner colony mutants were subjected to MIC testing, whole genome sequencing, qRT-PCR, and carbohydrate utilization studies...
November 1, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29048285/high-level-fosfomycin-resistance-in-vancomycin-resistant-enterococcus-faecium
#12
Yan Guo, Adam D Tomich, Christi L McElheny, Vaughn S Cooper, Amelia Tait-Kamradt, Minggui Wang, Fupin Hu, Louis B Rice, Nicolas Sluis-Cremer, Yohei Doi
Of 890 vancomycin-resistant Enterococcus faecium isolates obtained by rectal screening from patients in Pittsburgh, Pennsylvania, USA, 4 had MICs >1,024 μg/mL for fosfomycin. These isolates had a Cys119Asp substitution in the active site of UDP-N-acetylglucosamine enolpyruvyl transferase. This substitution increased the fosfomycin MIC >4-fold and rendered this drug inactive in biochemical assays.
November 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29046472/-surgical-treatment-of-a-giant-olfactory-groove-schwannoma-a-case-report
#13
Takashi Fujii, Naoki Otani, Kazuma Doi, Masataka Miyama, Yohei Otsuka, Takashi Matsumoto, Toru Yoshiura, Satoru Takeuchi, Satoshi Tomura, Arata Tomiyama, Terushige Toyooka, Kojiro Wada, Kentaro Mori
Schwannomas originating from the olfactory nerve are extremely rare because the olfactory nerve does not normally contain Schwann cells. We describe a case of a giant schwannoma of the olfactory groove. A 73-year-old woman presented with anosmia persisting for 10 months. Head computed tomography(CT)for head trauma at another hospital demonstrated a tumor lesion located in the left frontal lobe and paranasal sinus. She had never suffered epilepsy, and past medical history and family history identified no indicators...
October 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29040419/high-rates-of-human-fecal-carriage-of-mcr-1-positive-multi-drug-resistant-enterobacteriaceae-isolates-emerge-in-china-in-association-with-successful-plasmid-families
#14
Lan-Lan Zhong, Hang T T Phan, Cong Shen, Karina Doris-Vihta, Anna E Sheppard, Xi Huang, Kun-Jiao Zeng, Hong-Yu Li, Xue-Fei Zhang, Sandip Patil, Derrick W Crook, A Sarah Walker, Yong Xing, Jia-Lin Lin, Lian-Qiang Feng, Yohei Doi, Yong Xia, Nicole Stoesser, Guo-Bao Tian
Objectives: mcr-1-mediated colistin resistance in Enterobacteriaceae is concerning, as colistin is used in treating multidrug-resistant Enterobacteriaceae infections. Rates of human mcr-1 gastrointestinal carriage have historically been low. We identified trends in human fecal mcr-1-positivity rates and colonization with mcr-1-positive+third-generation cephalosporin-resistant (3GC-R) Enterobacteriaceae in Guangzhou, China, and investigated the genetic contexts of mcr-1 in a subset of mcr-1-positive+3GC-R strains...
October 10, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29026866/a-prospective-observational-study-of-the-epidemiology-management-and-outcomes-of-skin-and-soft-tissue-infections-due-to-carbapenem-resistant-enterobacteriaceae
#15
Oryan Henig, Eric Cober, Sandra S Richter, Federico Perez, Robert A Salata, Robert C Kalayjian, Richard R Watkins, Steve Marshall, Susan D Rudin, T Nicholas Domitrovic, Andrea M Hujer, Kristine M Hujer, Yohei Doi, Scott Evans, Vance G Fowler, Robert A Bonomo, David van Duin, Keith S Kaye
BACKGROUND: This study was performed to characterize the epidemiology, management, and outcomes of skin and soft tissue infection (SSTI) and colonization due to carbapenem-resistant Enterobacteriaceae (CRE). METHODS: Patients from the Consortium on Resistance Against Carbapenem in Klebsiella and Other Enterobacteriaceae (CRACKLE-1) from December 24, 2011 to October 1, 2014 with wound cultures positive for CRE were included in the study. Predictors of surgical intervention were analyzed...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29020404/colistin-vs-ceftazidime-avibactam-in-the-treatment-of-infections-due-to-carbapenem-resistant-enterobacteriaceae
#16
David van Duin, Judith J Lok, Michelle Earley, Eric Cober, Sandra S Richter, Federico Perez, Robert A Salata, Robert C Kalayjian, Richard R Watkins, Yohei Doi, Keith S Kaye, Vance G Fowler, David L Paterson, Robert A Bonomo, Scott Evans
Background: The efficacy of ceftazidime-avibactam - a cephalosporin-β-lactamase inhibitor combination with in vitro activity against Klebsiella pneumoniae carbapenemase (KPC)-producing carbapenem-resistant Enterobacteriaceae (CRE) - as compared to colistin remains unknown. Methods: Patients initially treated with either ceftazidime-avibactam or colistin for CRE infections were selected from the Consortium on resistance against carbapenems in Klebsiella and other Enterobacteriaceae (CRACKLE), a prospective, multicenter, observational study...
September 4, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29017262/ceftolozane-tazobactam-for-the-treatment-of-multidrug-resistant-pseudomonas-aeruginosa-infections-clinical-effectiveness-and-evolution-of-resistance
#17
Ghady Haidar, Nathan J Philips, Ryan K Shields, Daniel Snyder, Shaoji Cheng, Brian A Potoski, Yohei Doi, Binghua Hao, Ellen G Press, Vaughn S Cooper, Cornelius J Clancy, M Hong Nguyen
Background: Data on the use of ceftolozane-tazobactam and emergence of ceftolozane-tazobactam resistance during multidrug resistant (MDR)-Pseudomonas aeruginosa infections are limited. Methods: We performed a retrospective study of 21 patients treated with ceftolozane-tazobactam for MDR-P. aeruginosa infections. Whole genome sequencing and quantitative real-time polymerase chain reaction were performed on longitudinal isolates. Results: Median age was 58 years; 9 patients (43%) were transplant recipients...
July 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28993329/inhibition-of-fosfomycin-resistance-protein-fosa-by-phosphonoformate-foscarnet-in-multidrug-resistant-gram-negative-pathogens
#18
Ryota Ito, Adam D Tomich, Christi L McElheny, Roberta Mettus, Nicolas Sluis-Cremer, Yohei Doi
FosA proteins confer fosfomycin resistance in Gram-negative pathogens via glutathione-mediated modification of the antibiotic. In this study, we assessed whether inhibition of FosA by sodium phosphonoformate (PPF; foscarnet), a clinically approved antiviral agent, would reverse fosfomycin resistance in representative Gram-negative pathogens. The inhibitory activity of PPF against purified recombinant FosA from Escherichia coli (FosA3), Klebsiella pneumoniae (FosA(KP)), Enterobacter cloacae (FosA(EC)) and Pseudomonas aeruginosa (FosA(PA)) was determined by steady-state kinetics...
October 9, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28961916/structural-modification-of-lps-in-colistin-resistant-kpc-producing-klebsiella-pneumoniae
#19
Lisa M Leung, Vaughn S Cooper, David A Rasko, Qinglan Guo, Marissa P Pacey, Christi L McElheny, Roberta T Mettus, Sung Hwan Yoon, David R Goodlett, Robert K Ernst, Yohei Doi
Background: Colistin resistance in Klebsiella pneumoniae typically involves inactivation or mutations of chromosomal genes mgrB, pmrAB or phoPQ, but data regarding consequent modifications of LPS are limited. Objectives: To examine the sequences of chromosomal loci implicated in colistin resistance and the respective LPS-derived lipid A profiles using 11 pairs of colistin-susceptible and -resistant KPC-producing K. pneumoniae clinical strains. Methods: The strains were subjected to high-throughput sequencing with Illumina HiSeq...
November 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28960376/bayesian-noninferiority-test-for-2-binomial-probabilities-as-the-extension-of-fisher-exact-test
#20
Masaaki Doi, Fumihiro Takahashi, Yohei Kawasaki
Noninferiority trials have recently gained importance for the clinical trials of drugs and medical devices. In these trials, most statistical methods have been used from a frequentist perspective, and historical data have been used only for the specification of the noninferiority margin Δ>0. In contrast, Bayesian methods, which have been studied recently are advantageous in that they can use historical data to specify prior distributions and are expected to enable more efficient decision making than frequentist methods by borrowing information from historical trials...
September 27, 2017: Statistics in Medicine
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